402
tN2 Housing Control
by
done_outline8888 in stock
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Boiler, DHW & Setpoint, Four Zone Valves, 10K ohm NTC Thermistor, Blue PC+ABS Plastic, NEMA 1, 24 VAC.
Features
DHW Priority (Optional), Setpoint Operation
Exercising, Boiler Protection
Outdoor Temperature Reset, Indoor Temperature Feedback
Expandable Up To 48 Zones, Single On/Off, Two Stage, Or Modulating Boiler Control
Variable Speed, Floating Action, Or Proportional Mixing Control, Automatic Boiler Differential
Warm Weather Shut Down, Zone Synchronization
Only Requires 2 Wires Per Zone, Four 24 V (ac) Powered Zone Outputs